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NE Broadway & NE Williams Bicycle Signal

NE Broadway & NE Williams Bicycle Signal. Project Team: Jesse Boudart Sara Morrissey Justin Willard YoungJun Yoo Joe Strobel March 10 th , 2011. Presentation Overview. Site Description Data Vehicle Bike & Ped Non-Compliance Recommendations Conclusions.

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NE Broadway & NE Williams Bicycle Signal

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  1. NE Broadway & NE WilliamsBicycle Signal Project Team: Jesse Boudart Sara Morrissey Justin Willard YoungJun Yoo Joe Strobel March 10th, 2011

  2. Presentation Overview • Site Description • Data • Vehicle • Bike & Ped • Non-Compliance • Recommendations • Conclusions Photo courtesy of bikeportland.org

  3. Site Description NE Broadway and Williams

  4. Previous Site Design • Bike lane is in between two turn lanes • Cyclists have to use the signals intended for vehicles • Vehicles in the second turn lane have to yield to cyclists

  5. Plan View of Intersection

  6. Site View Looking north on Williams Looking west on Broadway

  7. Cycle Length 33 15

  8. Findings • Vehicle count and noncompliance • Bike & Ped count and non-compliance

  9. Camera View

  10. Vehicle Counts & Non-compliance Peak Hour Periods on Thursday, February 10th

  11. Non-compliance West

  12. Non-compliance Video

  13. Non-compliance West-North Car Over Stop Bar (C)

  14. Stop-bar Non-compliance

  15. Bicycle Count

  16. Bicycle Non-compliance

  17. Recommendations • Lane Direction Change • Signal Timing • Wayfinding & Marking

  18. Proposed Solution Show Before and After of Intersection

  19. Signal Timing • Bicycles can retain inertia • However… • ~20% bike signal randomly triggered • Recalibration needed

  20. AM Issues and Recommendations • Longer Westbound green time recommended to increase flow

  21. PM Issues and Recommendations • High congestion for I-5 South • Queue bleeds to Broadway/Williams • Network analysis necessary to make recommendations

  22. PM Issues and Recommendations • Large N-bound bike traffic • Weidler/Williams study needed • Incorporating elevation change for cyclists?

  23. Wayfinding and Marking • Intersection direction confusing • Needs for lane indication • Far from intersection • Close to intersection • Directional signs needed at intersection

  24. Conclusions • Difference in directional vehicle and bicycle traffic for AM & PM periods • Efficiency improvements available • Large non-compliance with right turn only lane during PM peak period • Improvements for cyclist safety and comfort

  25. Questions?

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